A good start: Plan your Life in Vienna
Current Information for Exchange Students (SARS-CoV 2)
Plan Your Life in Vienna - Prior to Your Arrival
Plan Your Life in Vienna - Upon Arrival

Palmenhaus
Information available for download (pdf): BOKUtipps (2022/23) - International Guide
Plan Your Life in Vienna - Prior to your arrival: p. 60-86
Plan Your Life in Vienna - Upon arrival: p. 87-121